package cn.tedu.myback.dao;


import cn.tedu.myback.pojo.po.User;

import java.util.List;

public interface UserMapper {

    int insert(User user);

    User selectByPrimaryKey(Long id);

    List<User> queryAllUser();

    User selectByUserName(String userName);

    int updateByPrimaryKeySelective(User user);

    int updateByPrimaryKey(User record);
}